<template>
    <transition name="slide">
        <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
    </transition>
</template>

<script>
  import MusicList from "components/music-list/music-list";
  import {mapGetters} from 'vuex'
  import {getSongList} from 'api/recommend'
  import {ERR_OK} from 'api/config'
  import {creatSongList} from 'common/js/song'
  import {getMusic} from 'api/singer'

  export default {
    name: "disc",
    data() {
      return {
        songs: []
      }
    },
    computed: {
      title() {
        return this.disc.dissname
      },
      bgImage() {
        return this.disc.imgurl
      },
      ...mapGetters([
        'disc'
      ])
    },
    created() {
      this._getSongList()
    },
    methods: {
      _getSongList() {
        if (!this.disc.dissid) { //在歌单详情页强制刷新后，即没有获得id时，回退到推荐页面
          this.$router.push('/recommend')
          return
        }
        getSongList(this.disc.dissid).then((res) => {
          if (res.code === ERR_OK) {
            this.songs = this._normalizeSongs((res.cdlist[0].songlist))
            // console.log(res)
            // console.log(res.cdlist[0].songlist)
            // console.log(this._normalizeSongs(res.cdlist[0].songlist))
            // console.log(this.song)
          }
        })
      },
      _normalizeSongs(list) {
        let ret = []
        list.forEach((musicData) => {
          if (musicData.id && musicData.album) {
            // ret.push(creatSongList(musicData))
            getMusic(musicData.mid).then((res) => {
              // console.log(res)
              if (res.code === ERR_OK) {
                // console.log(res.data)
                const svkey = res.data.items
                const songVkey = svkey[0].vkey
                const newSong = creatSongList(musicData, songVkey)
                ret.push(newSong)
              }
            })
          }
        })
        return ret
      }
    },
    components: {MusicList}
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    .slide-enter-active, .slide-leave-active
        transition: all 0.3s

    .slide-enter, .slide-leave-to
        transform: translate3d(100%, 0, 0)
</style>